According to the World Health Organization &lpar;WHO&rpar;&comma; about 1&sol;3 of the world's people are in trouble with insomnia&period;&lsqb;Sleep master&rbrack; intelligent sleep head-pad belongs to the scope of music therapy&comma; its mechanism is not only to be able to ease the psychological pressure and causes the body to relax&comma; more important is that through the unique BBT &lpar;Binaural Beats Technology&rpar; &comma;it can act directly on the control center to promote brain wave frequency conversion&comma; induce the human body quickly into deep sleep&period; Research found that 30 minutes of θ wave state can reduce up to four hours of sleep needs&comma; equivalent to 4 hours of normal sleep&period;